Case Report: Secondary ulnar overgrowth and elbow incongruity following chronic forelimb disuse in a dog
Mu-Young Kim
Chronic limb disuse during the active growth phase can induce complex secondary deformities, including paradoxical bone overgrowth. A 12-month-old neutered male Toy Poodle presented with non-weight-bearing right forelimb lameness resulting from a chronic shoulder malunion following failed stabilization of a medial luxation. Computed tomography revealed a complete nonunion of the shoulder joint with severe varus deformity, alongside a significant secondary ulnar overgrowth (6.08% elongation compa